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Finding the Fourth Proportional to 4,159.68, 6,236.20 and 2,402.68

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Solution

The fourth proportional to 4,159.68, 6,236.20 and 2,402.68 is: 3,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.68 : 6,236.20 = 2,402.68 : x
  2. Step 2: Convert to fraction form
    4,159.68/6,236.20 = 2,402.68/x
  3. Step 3: Cross multiply
    4,159.68x = 6,236.20 × 2,402.68
  4. Step 4: Simplify right side
    4,159.68x = 14,983,593.02
  5. Step 5: Solve for x
    x = 14,983,593.02/4,159.68
  6. Step 6: Final answer
    x = 3,602.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.